/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ var Letter = Container.expand(function (letterType) { var self = Container.call(this); self.letterType = letterType || 'A'; var assetId; var textColor = "#FFFFFF"; switch (self.letterType) { case 'A': assetId = 'letterA'; break; case 'B': assetId = 'letterB'; break; case 'C': assetId = 'letterC'; break; default: assetId = 'letterA'; } var letterGraphics = self.attachAsset(assetId, { anchorX: 0.5, anchorY: 0.5 }); self.value = self.letterType === 'A' ? 10 : self.letterType === 'B' ? 20 : 30; self.addText = function () { self.text = new Text2(self.letterType, { size: 50, fill: textColor }); self.text.anchor.set(0.5, 0.5); self.addChild(self.text); }; self.collected = function () { // Animation for being collected tween(self, { alpha: 0, scaleX: 1.5, scaleY: 1.5 }, { duration: .5, onFinish: function onFinish() { self.destroy(); } }); }; self.update = function () { // Letters can have simple wandering behavior if (Math.random() < 0.02 && !gameOver) { self.x += Math.random() * 6 - 3; self.y += Math.random() * 6 - 3; // Keep in bounds self.x = Math.max(50, Math.min(self.x, 2048 - 50)); self.y = Math.max(50, Math.min(self.y, 2732 - 50)); } }; self.addText(); return self; }); var Obstacle = Container.expand(function () { var self = Container.call(this); var obstacleGraphics = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 0.5 }); self.direction = Math.random() * Math.PI * 2; self.speed = 2 + Math.random() * 2; self.update = function () { if (gameOver) { return; } self.x += Math.cos(self.direction) * self.speed; self.y += Math.sin(self.direction) * self.speed; // Bounce off edges if (self.x < 60) { self.x = 60; self.direction = Math.PI - self.direction; } else if (self.x > 2048 - 60) { self.x = 2048 - 60; self.direction = Math.PI - self.direction; } if (self.y < 60) { self.y = 60; self.direction = -self.direction; } else if (self.y > 2732 - 60) { self.y = 2732 - 60; self.direction = -self.direction; } // Rotate the obstacle obstacleGraphics.rotation += 0.01; }; // Add X text to make it clear it's an obstacle self.text = new Text2('X', { size: 60, fill: 0xFFFFFF }); self.text.anchor.set(0.5, 0.5); self.addChild(self.text); return self; }); var Player = Container.expand(function () { var self = Container.call(this); var playerGraphics = self.attachAsset('letterF', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 10; self.size = 100; self.isMoving = false; self.isDragging = false; self.hasPowerup = false; self.powerupTimer = null; self.addText = function () { self.text = new Text2('F', { size: 60, fill: 0xFFFFFF }); self.text.anchor.set(0.5, 0.5); self.addChild(self.text); }; self.activatePowerup = function (type) { self.hasPowerup = true; // Clear any existing powerup timer if (self.powerupTimer) { LK.clearTimeout(self.powerupTimer); } if (type === 'speed') { self.speed = 20; playerGraphics.tint = 0xffcc00; } else if (type === 'magnet') { playerGraphics.tint = 0x00ccff; } else if (type === 'size') { tween(playerGraphics, { width: 130, height: 130 }, { duration: 300 }); if (self.text) { tween(self.text, { size: 78 }, { duration: 300 }); } } // Set timeout to reset powerup self.powerupTimer = LK.setTimeout(function () { self.deactivatePowerup(); }, 5000); }; self.deactivatePowerup = function () { self.hasPowerup = false; self.speed = 10; playerGraphics.tint = 0xFFFFFF; tween(playerGraphics, { width: 100, height: 100 }, { duration: 300 }); if (self.text) { tween(self.text, { size: 60 }, { duration: 300 }); } }; self.update = function () { if (self.targetX !== undefined && self.targetY !== undefined) { var dx = self.targetX - self.x; var dy = self.targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > self.speed) { self.x += dx / distance * self.speed; self.y += dy / distance * self.speed; self.isMoving = true; } else { self.x = self.targetX; self.y = self.targetY; self.targetX = undefined; self.targetY = undefined; self.isMoving = false; } } }; self.moveTo = function (x, y) { self.targetX = x; self.targetY = y; }; self.addText(); return self; }); var PowerUp = Container.expand(function (type) { var self = Container.call(this); self.type = type || 'speed'; var powerupGraphics = self.attachAsset('powerup', { anchorX: 0.5, anchorY: 0.5 }); if (self.type === 'speed') { powerupGraphics.tint = 0xffcc00; // Yellow for speed } else if (self.type === 'magnet') { powerupGraphics.tint = 0x00ccff; // Blue for magnet } else if (self.type === 'size') { powerupGraphics.tint = 0xff00cc; // Pink for size } self.pulseDirection = 1; self.pulseAmount = 0; self.update = function () { // Make the powerup pulse self.pulseAmount += 0.03 * self.pulseDirection; if (self.pulseAmount > 1) { self.pulseAmount = 1; self.pulseDirection = -1; } else if (self.pulseAmount < 0) { self.pulseAmount = 0; self.pulseDirection = 1; } var scale = 1 + self.pulseAmount * 0.2; self.scale.set(scale, scale); // Make powerups disappear after some time if (self.timeAlive === undefined) { self.timeAlive = 0; } else { self.timeAlive++; if (self.timeAlive > 600) { // 10 seconds at 60fps tween(self, { alpha: 0 }, { duration: 500, onFinish: function onFinish() { self.destroy(); } }); } } }; self.collected = function () { tween(self, { alpha: 0, scaleX: 2, scaleY: 2 }, { duration: 500, onFinish: function onFinish() { self.destroy(); } }); }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000022 }); /**** * Game Code ****/ // Game state variables var player; var letters = []; var obstacles = []; var powerups = []; var level = 1; var gameOver = false; var letterSpawnTimer; var obstacleSpawnTimer; var powerupSpawnTimer; var levelTimer; var scoreTxt; var levelTxt; // Initialize game function initGame() { // Clear any existing timers if (letterSpawnTimer) { LK.clearInterval(letterSpawnTimer); } if (obstacleSpawnTimer) { LK.clearInterval(obstacleSpawnTimer); } if (powerupSpawnTimer) { LK.clearInterval(powerupSpawnTimer); } if (levelTimer) { LK.clearTimeout(levelTimer); } // Reset game state gameOver = false; level = 1; letters = []; obstacles = []; powerups = []; LK.setScore(0); // Create player player = new Player(); player.x = 2048 / 2; player.y = 2732 / 2; game.addChild(player); // Create UI createUI(); // Start spawning letters startSpawning(); // Play background music LK.playMusic('bgMusic'); } function createUI() { // Score text scoreTxt = new Text2('Score: 0', { size: 80, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); scoreTxt.y = 30; // Level text levelTxt = new Text2('Level: 1', { size: 60, fill: 0xFFFFFF }); levelTxt.anchor.set(0.5, 0); levelTxt.y = 120; LK.gui.top.addChild(levelTxt); } function startSpawning() { // Clear any existing timers if (letterSpawnTimer) { LK.clearInterval(letterSpawnTimer); } if (obstacleSpawnTimer) { LK.clearInterval(obstacleSpawnTimer); } if (powerupSpawnTimer) { LK.clearInterval(powerupSpawnTimer); } // Spawn letters letterSpawnTimer = LK.setInterval(function () { if (letters.length < 5 + level) { spawnLetter(); } }, 2000 - level * 100); // Spawn obstacles obstacleSpawnTimer = LK.setInterval(function () { if (obstacles.length < level) { spawnObstacle(); } }, 5000 - level * 200); // Spawn powerups (less frequently) powerupSpawnTimer = LK.setInterval(function () { if (Math.random() < 0.3 && powerups.length < 2) { spawnPowerup(); } }, 10000); // Set timer for next level levelTimer = LK.setTimeout(function () { if (!gameOver) { level++; levelTxt.setText('Level: ' + level); startSpawning(); // Restart spawning with new level settings } }, 30000); // Level up every 30 seconds } function spawnLetter() { var letterType; var rand = Math.random(); if (rand < 0.5) { letterType = 'A'; } else if (rand < 0.8) { letterType = 'B'; } else { letterType = 'C'; } var letter = new Letter(letterType); // Position randomly but not too close to player or other letters var validPosition = false; var attempts = 0; var x, y; while (!validPosition && attempts < 10) { x = 100 + Math.random() * (2048 - 200); y = 100 + Math.random() * (2732 - 200); // Check distance from player var distToPlayer = Math.sqrt(Math.pow(x - player.x, 2) + Math.pow(y - player.y, 2)); validPosition = distToPlayer > 300; // Check distance from other letters for (var i = 0; i < letters.length; i++) { var distToLetter = Math.sqrt(Math.pow(x - letters[i].x, 2) + Math.pow(y - letters[i].y, 2)); if (distToLetter < 200) { validPosition = false; break; } } attempts++; } letter.x = x; letter.y = y; game.addChild(letter); letters.push(letter); } function spawnObstacle() { var obstacle = new Obstacle(); // Position at the edge of the screen var side = Math.floor(Math.random() * 4); switch (side) { case 0: // Top obstacle.x = Math.random() * 2048; obstacle.y = 0; obstacle.direction = Math.PI / 2 + (Math.random() * Math.PI / 4 - Math.PI / 8); break; case 1: // Right obstacle.x = 2048; obstacle.y = Math.random() * 2732; obstacle.direction = Math.PI + (Math.random() * Math.PI / 4 - Math.PI / 8); break; case 2: // Bottom obstacle.x = Math.random() * 2048; obstacle.y = 2732; obstacle.direction = Math.PI * 3 / 2 + (Math.random() * Math.PI / 4 - Math.PI / 8); break; case 3: // Left obstacle.x = 0; obstacle.y = Math.random() * 2732; obstacle.direction = Math.random() * Math.PI / 4 - Math.PI / 8; break; } game.addChild(obstacle); obstacles.push(obstacle); } function spawnPowerup() { var types = ['speed', 'magnet', 'size']; var type = types[Math.floor(Math.random() * types.length)]; var powerup = new PowerUp(type); powerup.x = 100 + Math.random() * (2048 - 200); powerup.y = 100 + Math.random() * (2732 - 200); game.addChild(powerup); powerups.push(powerup); } function checkCollisions() { // Check letter collisions for (var i = letters.length - 1; i >= 0; i--) { if (player.intersects(letters[i])) { // Player ate a letter LK.getSound('munch').play(); LK.setScore(LK.getScore() + letters[i].value); scoreTxt.setText('Score: ' + LK.getScore()); letters[i].collected(); letters.splice(i, 1); } else if (player.hasPowerup && player.hasPowerup === 'magnet') { // Magnet powerup pulls letters closer var dx = player.x - letters[i].x; var dy = player.y - letters[i].y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist < 400) { letters[i].x += dx * 0.05; letters[i].y += dy * 0.05; } } } // Check obstacle collisions for (var j = obstacles.length - 1; j >= 0; j--) { if (player.intersects(obstacles[j])) { // Player hit an obstacle LK.getSound('hit').play(); LK.effects.flashScreen(0xFF0000, 500); // Game over gameOver = true; LK.showGameOver(); break; } } // Check powerup collisions for (var k = powerups.length - 1; k >= 0; k--) { if (player.intersects(powerups[k])) { // Player got a powerup LK.getSound('powerup').play(); player.activatePowerup(powerups[k].type); powerups[k].collected(); powerups.splice(k, 1); } } } // Event handlers game.down = function (x, y, obj) { player.moveTo(x, y); }; game.up = function (x, y, obj) { // Optional: stop player when released }; game.move = function (x, y, obj) { if (player.isDragging) { player.moveTo(x, y); } }; // Game update function game.update = function () { if (gameOver) { return; } // Update player if (player) { player.update(); } // Update letters for (var i = 0; i < letters.length; i++) { if (letters[i] && letters[i].update) { letters[i].update(); } } // Update obstacles for (var j = 0; j < obstacles.length; j++) { if (obstacles[j] && obstacles[j].update) { obstacles[j].update(); } } // Update powerups for (var k = 0; k < powerups.length; k++) { if (powerups[k] && powerups[k].update) { powerups[k].update(); } } // Check collisions checkCollisions(); }; // Initialize the game when everything is loaded initGame();